BetterYou Boost Vitamin B12 Daily Oral Spray, Pill-free Vitamin B12 Supplement for Energy Boost, 48-day Supply, Made in the UK, Natural Apricot Flavour

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However, B12 supplements may help increase energy levels and reduce fatigue those who are deficient in this nutrient ( 20).

If levels remain low, you might have difficulties absorbing vitamin B12. You will be offered a course of vitamin B12 injections to build up levels. It is likely this treatment will be lifelong and will require frequent blood tests. Supplements: For pernicious anaemia, you'll need to take hydroxocobalamin for the rest of your life. If you miss an injectionIt’s commonly thought that taking vitamin B12 can boost your memory and mood. However, there’s not a lot of evidence to support this theory. Some conditions or treatments can stop you absorbing enough vitamin B12 from the food you eat. These include: It's important for vitamin B12 or folate deficiency anaemia to be diagnosed and treated as soon as possible. Older people are more susceptible to vitamin B12 deficiency. While relatively few younger adults are deficient in B12, up to 20% of adults over the age of 60 have less than optimal blood levels of this nutrient ( 10, 11).

But as vitamin B12 is not found naturally in foods such as fruit, vegetables and grains, vegans may not get enough of it. Vitamin B12 is also available as a prescription nasal gel spray. This formulation appears to be effective in raising vitamin B12 blood levels in adults and children [ 27, 28]. A small clinical study with 10 participants (mean age 81 years) found that the bioavailability of a 1,000 mcg cobalamin dose was 2% with intranasal administration, which is similar to the bioavailability of an oral dose [ 29]. Vitamin B12 Intakes and Status On average, most people 14 and older need about 2.4 micrograms a day. The good news is your body stores extra B12 in your liver. If you stop absorbing it, it’ll take a few years to use what’s left. But once you do, you’ll likely have some health problems. These include fatigue, memory trouble, or nerve damage.Additionally, a large systematic review showed that B12 deficiency is associated with a higher risk of premature birth and low birth weight in newborns ( 15). Table 1 lists the current RDAs for vitamin B12 [ 1]. For adults, the main criterion that the FNB used to establish the RDAs was the amount needed to maintain a healthy hematological status and serum vitamin B12 levels. For infants aged 0 to 12 months, the FNB established an AI that is equivalent to the mean intake of vitamin B12 in healthy, breastfed infants. Table 1: Recommended Dietary Allowances (RDAs) for Vitamin B12 [ 1] Age This source of vitamin B12 may work well for vegetarians and vegans because it’s synthetically made and not derived from animal sources ( 14).